Mobile phone sleeve



FIG. 1 is an elevated, perspective front view showing a mobile phone sleeve;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines in FIG. 1 show environment of the mobile phone sleeve and form no part of the claimed design. 

CLAIM The ornamental design for a mobile phone sleeve, as shown and described. 